Merge branch 'report_pdf_generation'

csharp/App/Backend/Controller.cs

@@ -1471,6 +1471,91 @@ public class Controller : ControllerBase
         }
     }
 
+    // ── Report HTML (for PDF download) ─────────────────────────────
+
+    [HttpGet(nameof(GetWeeklyReportHtml))]
+    public async Task<ActionResult> GetWeeklyReportHtml(Int64 installationId, Token authToken, String? language = null)
+    {
+        var user = Db.GetSession(authToken)?.User;
+        if (user == null) return Unauthorized();
+
+        var installation = Db.GetInstallationById(installationId);
+        if (installation is null || !user.HasAccessTo(installation)) return Unauthorized();
+
+        var lang   = language ?? user.Language ?? "en";
+        var report = await WeeklyReportService.GenerateReportAsync(installationId, installation.Name, lang);
+        var html   = ReportEmailService.BuildHtmlEmail(report, lang);
+        return Content(html, "text/html");
+    }
+
+    [HttpGet(nameof(GetMonthlyReportHtml))]
+    public async Task<ActionResult> GetMonthlyReportHtml(Int64 installationId, Int32 year, Int32 month, Token authToken, String? language = null)
+    {
+        var user = Db.GetSession(authToken)?.User;
+        if (user == null) return Unauthorized();
+
+        var installation = Db.GetInstallationById(installationId);
+        if (installation is null || !user.HasAccessTo(installation)) return Unauthorized();
+
+        var lang   = language ?? user.Language ?? "en";
+        var report = Db.GetMonthlyReports(installationId).FirstOrDefault(r => r.Year == year && r.Month == month);
+        if (report == null) return BadRequest($"No monthly report found for {year}-{month:D2}.");
+
+        report.AiInsight = await ReportAggregationService.GetOrGenerateMonthlyInsightAsync(report, lang);
+        var s    = ReportEmailService.GetAggregatedStrings(lang, "monthly");
+        var html = ReportEmailService.BuildAggregatedHtmlEmail(
+            report.PeriodStart, report.PeriodEnd, installation.Name,
+            report.TotalPvProduction, report.TotalConsumption, report.TotalGridImport, report.TotalGridExport,
+            report.TotalBatteryCharged, report.TotalBatteryDischarged, report.TotalEnergySaved, report.TotalSavingsCHF,
+            report.SelfSufficiencyPercent, report.BatteryEfficiencyPercent, report.AiInsight,
+            $"{report.WeekCount} {s.CountLabel}", s);
+        return Content(html, "text/html");
+    }
+
+    [HttpGet(nameof(GetYearlyReportHtml))]
+    public async Task<ActionResult> GetYearlyReportHtml(Int64 installationId, Int32 year, Token authToken, String? language = null)
+    {
+        var user = Db.GetSession(authToken)?.User;
+        if (user == null) return Unauthorized();
+
+        var installation = Db.GetInstallationById(installationId);
+        if (installation is null || !user.HasAccessTo(installation)) return Unauthorized();
+
+        var lang   = language ?? user.Language ?? "en";
+        var report = Db.GetYearlyReports(installationId).FirstOrDefault(r => r.Year == year);
+        if (report == null) return BadRequest($"No yearly report found for {year}.");
+
+        report.AiInsight = await ReportAggregationService.GetOrGenerateYearlyInsightAsync(report, lang);
+        var s    = ReportEmailService.GetAggregatedStrings(lang, "yearly");
+        var html = ReportEmailService.BuildAggregatedHtmlEmail(
+            report.PeriodStart, report.PeriodEnd, installation.Name,
+            report.TotalPvProduction, report.TotalConsumption, report.TotalGridImport, report.TotalGridExport,
+            report.TotalBatteryCharged, report.TotalBatteryDischarged, report.TotalEnergySaved, report.TotalSavingsCHF,
+            report.SelfSufficiencyPercent, report.BatteryEfficiencyPercent, report.AiInsight,
+            $"{report.MonthCount} {s.CountLabel}", s);
+        return Content(html, "text/html");
+    }
+
+    [HttpGet(nameof(GetDailyReportHtml))]
+    public ActionResult GetDailyReportHtml(Int64 installationId, String date, Token authToken, String? language = null)
+    {
+        var user = Db.GetSession(authToken)?.User;
+        if (user == null) return Unauthorized();
+
+        var installation = Db.GetInstallationById(installationId);
+        if (installation is null || !user.HasAccessTo(installation)) return Unauthorized();
+
+        if (!DateOnly.TryParseExact(date, "yyyy-MM-dd", out var parsedDate))
+            return BadRequest("date must be in yyyy-MM-dd format.");
+
+        var records = Db.GetDailyRecords(installationId, parsedDate, parsedDate);
+        if (records.Count == 0) return BadRequest($"No daily record found for {date}.");
+
+        var lang = language ?? user.Language ?? "en";
+        var html = ReportEmailService.BuildDailyHtmlEmail(records[0], installation.Name, lang);
+        return Content(html, "text/html");
+    }
+
     [HttpGet(nameof(GetWeeklyReportSummaries))]
     public async Task<ActionResult<List<WeeklyReportSummary>>> GetWeeklyReportSummaries(
         Int64 installationId, Int32 year, Int32 month, Token authToken, String? language = null)

typescript/frontend-marios2/src/content/dashboards/SodiohomeInstallations/DailySection.tsx

@@ -97,10 +97,12 @@ function getCurrentWeekDays(currentMonday: Date): Date[] {
 
 export default function DailySection({
   installationId,
-  onHasData
+  onHasData,
+  onPeriodChange
 }: {
   installationId: number;
   onHasData?: (hasData: boolean) => void;
+  onPeriodChange?: (date: string) => void;
 }) {
   const intl = useIntl();
   const currentMonday = useMemo(() => getCurrentMonday(), []);
@@ -113,7 +115,11 @@ export default function DailySection({
 
   const [allRecords, setAllRecords] = useState<DailyEnergyData[]>([]);
   const [allHourlyRecords, setAllHourlyRecords] = useState<HourlyEnergyRecord[]>([]);
-  const [selectedDate, setSelectedDate] = useState(formatDateISO(yesterday));
+  const [selectedDate, setSelectedDate] = useState(() => {
+    const date = formatDateISO(yesterday);
+    onPeriodChange?.(date);
+    return date;
+  });
   const [selectedDayRecord, setSelectedDayRecord] = useState<DailyEnergyData | null>(null);
   const [hourlyRecords, setHourlyRecords] = useState<HourlyEnergyRecord[]>([]);
   const [loadingWeek, setLoadingWeek] = useState(false);
@@ -174,6 +180,7 @@ export default function DailySection({
   const handleStripSelect = (date: string) => {
     setSelectedDate(date);
     setNoData(false);
+    onPeriodChange?.(date);
   };
 
   const dt = new Date(selectedDate + 'T00:00:00');

typescript/frontend-marios2/src/content/dashboards/SodiohomeInstallations/WeeklyReport.tsx

@@ -236,6 +236,8 @@ function WeeklyReport({ installationId }: WeeklyReportProps) {
   const [regenerating, setRegenerating] = useState(false);
   const [dailyHasData, setDailyHasData] = useState(false);
   const [weeklyHasData, setWeeklyHasData] = useState(false);
+  const [downloadingPdf, setDownloadingPdf] = useState(false);
+  const [reportPeriod, setReportPeriod] = useState<{ start: string; end: string; year?: number; month?: number } | null>(null);
   const weeklyRef = useRef<WeeklySectionHandle>(null);
 
   const fetchReportData = () => {
@@ -302,16 +304,56 @@ function WeeklyReport({ installationId }: WeeklyReportProps) {
     return false;
   })();
 
+  const handleDownloadPdf = async () => {
+    const reportType = tabs[safeTab]?.key ?? 'report';
+    let endpoint = '';
+    const params: Record<string, any> = { installationId, language: intl.locale };
+
+    switch (reportType) {
+      case 'daily':
+        endpoint = '/GetDailyReportHtml';
+        if (reportPeriod?.start) params.date = reportPeriod.start;
+        break;
+      case 'weekly':
+        endpoint = '/GetWeeklyReportHtml';
+        break;
+      case 'monthly':
+        endpoint = '/GetMonthlyReportHtml';
+        if (reportPeriod?.year) params.year = reportPeriod.year;
+        if (reportPeriod?.month) params.month = reportPeriod.month;
+        break;
+      case 'yearly':
+        endpoint = '/GetYearlyReportHtml';
+        if (reportPeriod?.year) params.year = reportPeriod.year;
+        break;
+    }
+
+    if (!endpoint) return;
+
+    setDownloadingPdf(true);
+    try {
+      const res = await axiosConfig.get(endpoint, { params, responseType: 'text' });
+      const printWindow = window.open('', '_blank');
+      if (!printWindow) return;
+
+      const dateRange = reportPeriod
+        ? `${reportPeriod.start.replace(/-/g, '')}-${reportPeriod.end.replace(/-/g, '')}`
+        : new Date().toISOString().split('T')[0].replace(/-/g, '');
+
+      printWindow.document.write(res.data);
+      printWindow.document.close();
+      printWindow.document.title = `inesco-energy-${installationId}-${reportType}-${dateRange}`;
+      printWindow.onafterprint = () => printWindow.close();
+      setTimeout(() => printWindow.print(), 500);
+    } catch (err) {
+      console.error('PDF download failed', err);
+    } finally {
+      setDownloadingPdf(false);
+    }
+  };
+
   return (
     <Box sx={{ p: 2, width: '100%', maxWidth: 900, mx: 'auto' }} className="report-container">
-      <style>{`
-        @media print {
-          body * { visibility: hidden; }
-          .report-container, .report-container * { visibility: visible; }
-          .report-container { position: absolute; left: 0; top: 0; width: 100%; padding: 20px; }
-          .no-print { display: none !important; }
-        }
-      `}</style>
       <Box sx={{ display: 'flex', alignItems: 'center', mb: 2 }} className="no-print">
         <Tabs
           value={safeTab}
@@ -323,8 +365,9 @@ function WeeklyReport({ installationId }: WeeklyReportProps) {
         {activeTabHasData && (
           <Button
             variant="outlined"
-            startIcon={<DownloadIcon />}
-            onClick={() => window.print()}
+            startIcon={downloadingPdf ? <CircularProgress size={16} /> : <DownloadIcon />}
+            onClick={handleDownloadPdf}
+            disabled={downloadingPdf}
             sx={{ ml: 2, whiteSpace: 'nowrap' }}
           >
             <FormattedMessage id="downloadPdf" defaultMessage="Download PDF" />
@@ -361,7 +404,7 @@ function WeeklyReport({ installationId }: WeeklyReportProps) {
       </Box>
 
       <Box sx={{ display: tabs[safeTab]?.key === 'daily' ? 'block' : 'none', minHeight: '50vh' }}>
-        <DailySection installationId={installationId} onHasData={setDailyHasData} />
+        <DailySection installationId={installationId} onHasData={setDailyHasData} onPeriodChange={(date: string) => setReportPeriod({ start: date, end: date })} />
       </Box>
       <Box sx={{ display: tabs[safeTab]?.key === 'weekly' ? 'block' : 'none', minHeight: '50vh' }}>
         <WeeklySection
@@ -373,6 +416,7 @@ function WeeklyReport({ installationId }: WeeklyReportProps) {
               : null
           }
           onHasData={setWeeklyHasData}
+          onPeriodChange={(start, end) => setReportPeriod({ start, end })}
         />
       </Box>
       <Box sx={{ display: tabs[safeTab]?.key === 'monthly' ? 'block' : 'none', minHeight: '50vh' }}>
@@ -384,6 +428,7 @@ function WeeklyReport({ installationId }: WeeklyReportProps) {
           onGenerate={handleGenerateMonthly}
           selectedIdx={selectedMonthlyIdx}
           onSelectedIdxChange={setSelectedMonthlyIdx}
+          onPeriodChange={(r: MonthlyReport) => setReportPeriod({ start: r.periodStart, end: r.periodEnd, year: r.year, month: r.month })}
         />
       </Box>
       <Box sx={{ display: tabs[safeTab]?.key === 'yearly' ? 'block' : 'none', minHeight: '50vh' }}>
@@ -395,6 +440,7 @@ function WeeklyReport({ installationId }: WeeklyReportProps) {
           onGenerate={handleGenerateYearly}
           selectedIdx={selectedYearlyIdx}
           onSelectedIdxChange={setSelectedYearlyIdx}
+          onPeriodChange={(r: YearlyReport) => setReportPeriod({ start: r.periodStart, end: r.periodEnd, year: r.year })}
         />
       </Box>
     </Box>
@@ -407,8 +453,8 @@ interface WeeklySectionHandle {
   regenerate: () => void;
 }
 
-const WeeklySection = forwardRef<WeeklySectionHandle, { installationId: number; latestMonthlyPeriodEnd: string | null; onHasData?: (hasData: boolean) => void }>(
-  ({ installationId, latestMonthlyPeriodEnd, onHasData }, ref) => {
+const WeeklySection = forwardRef<WeeklySectionHandle, { installationId: number; latestMonthlyPeriodEnd: string | null; onHasData?: (hasData: boolean) => void; onPeriodChange?: (start: string, end: string) => void }>(
+  ({ installationId, latestMonthlyPeriodEnd, onHasData, onPeriodChange }, ref) => {
   const intl = useIntl();
   const [report, setReport] = useState<WeeklyReportResponse | null>(null);
   const [loading, setLoading] = useState(true);
@@ -427,6 +473,7 @@ const WeeklySection = forwardRef<WeeklySectionHandle, { installationId: number;
       });
       setReport(res.data);
       onHasData?.(true);
+      onPeriodChange?.(res.data.periodStart, res.data.periodEnd);
     } catch (err: any) {
       const msg =
         err.response?.data ||
@@ -811,7 +858,8 @@ function MonthlySection({
   generating,
   onGenerate,
   selectedIdx,
-  onSelectedIdxChange
+  onSelectedIdxChange,
+  onPeriodChange
 }: {
   installationId: number;
   reports: MonthlyReport[];
@@ -820,6 +868,7 @@ function MonthlySection({
   onGenerate: (year: number, month: number) => void;
   selectedIdx: number;
   onSelectedIdxChange: (idx: number) => void;
+  onPeriodChange?: (report: MonthlyReport) => void;
 }) {
   const intl = useIntl();
 
@@ -871,6 +920,7 @@ function MonthlySection({
           sendParamsFn={(r: MonthlyReport) => ({ installationId, year: r.year, month: r.month })}
           controlledIdx={selectedIdx}
           onIdxChange={onSelectedIdxChange}
+          onPeriodChange={onPeriodChange}
         />
       ) : pendingMonths.length === 0 ? (
         <Box sx={{ display: 'flex', justifyContent: 'center', alignItems: 'center', py: 6 }}>
@@ -892,7 +942,8 @@ function YearlySection({
   generating,
   onGenerate,
   selectedIdx,
-  onSelectedIdxChange
+  onSelectedIdxChange,
+  onPeriodChange
 }: {
   installationId: number;
   reports: YearlyReport[];
@@ -901,6 +952,7 @@ function YearlySection({
   onGenerate: (year: number) => void;
   selectedIdx: number;
   onSelectedIdxChange: (idx: number) => void;
+  onPeriodChange?: (report: YearlyReport) => void;
 }) {
   const intl = useIntl();
 
@@ -952,6 +1004,7 @@ function YearlySection({
           sendParamsFn={(r: YearlyReport) => ({ installationId, year: r.year })}
           controlledIdx={selectedIdx}
           onIdxChange={onSelectedIdxChange}
+          onPeriodChange={onPeriodChange}
         />
       ) : pendingYears.length === 0 ? (
         <Box sx={{ display: 'flex', justifyContent: 'center', alignItems: 'center', py: 6 }}>
@@ -975,7 +1028,8 @@ function AggregatedSection<T extends ReportSummary>({
   sendEndpoint,
   sendParamsFn,
   controlledIdx,
-  onIdxChange
+  onIdxChange,
+  onPeriodChange
 }: {
   reports: T[];
   type: 'monthly' | 'yearly';
@@ -986,6 +1040,7 @@ function AggregatedSection<T extends ReportSummary>({
   sendParamsFn: (r: T) => object;
   controlledIdx?: number;
   onIdxChange?: (idx: number) => void;
+  onPeriodChange?: (report: T) => void;
 }) {
   const intl = useIntl();
   const [internalIdx, setInternalIdx] = useState(0);
@@ -993,8 +1048,16 @@ function AggregatedSection<T extends ReportSummary>({
   const handleIdxChange = (idx: number) => {
     setInternalIdx(idx);
     onIdxChange?.(idx);
+    if (reports[idx]) onPeriodChange?.(reports[idx]);
   };
 
+  // Report initial period on mount
+  useEffect(() => {
+    if (reports.length > 0 && reports[selectedIdx]) {
+      onPeriodChange?.(reports[selectedIdx]);
+    }
+  }, [reports.length]);
+
   if (reports.length === 0) {
     return (
       <Box sx={{ display: 'flex', justifyContent: 'center', alignItems: 'center', py: 6 }}>